Skip to main content

Oregon State Flag An official website of the State of Oregon »

Locations and Hours

Please note that Clean Air Stations also tend to be less busy in the afternoons, and later in the week. Saturdays (Portland only), and the first and last week of each month, tend to be busier times.

Portland Area Clean Air Station Hours of Operation

Clackamas Station, Gresham Station, Northeast Station, Sherwood Station and Sunset Station

For additional details including Portland area station addresses, maps and holiday schedules, please click on the station names above. View Portland wait-line cameras. 

Tues.: 8:30 a.m. - 5:30 p.m. 
Wed.: 8:30 a.m. - 7 p.m. 
Thurs.: 8:30 a.m. - 5:30 p.m.
Fri.: 8:30 a.m. - 5:30 p.m.
Sat.: 8:30 a.m. - 1 p.m.

Closed: Sunday, Monday and holidays.

* Scappoose station hours are:

Fri.: 8:30 a.m. - 5:30 p.m.
Sat.: 8:30 a.m. - 1 p.m.

Closed: Sunday - Thursday and holidays.

​​​​PLEASE NOTE: For the safety of staff, the public and our furry friends, we encourage pets not to visit us when coming to a DEQ testing station. Service animals​ are welcome.​​​​​


Medford Area Clean Air Station Hours of Operation  

Mon. – Fri.: 8:30 a.m. - 5:30 p.m.

Closed: Saturday, Sunday and holidays.

For additional details including the Medford station addresses, maps, holiday schedules and wait-line cameras, please visit Medford Station web page

View Medford wait-line camera

​​​​PLEASE NOTE: For the safety of staff, the public and our furry friends, we encourage pets not to visit us when coming to a DEQ testing station. Service animals​ are welcome.​​​​​



DEQTooLogo.pngDEQ Too Location Hours of Operation Vary by Service Provider

For additional details including the more than 200 location addresses, maps and other information, please click visit DEQ Too.